Which of the following is not among the 3 main classes of Algae?
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The hardest part of the body is ______.
If the power of a corrective lens is +2.0 D, then it is a
_______ determines colour, texture, chemical properties, mineral content and permeability of soil.
The maintenance functions of living organisms are performed by the _____.
The method of soil conservation in which stones, grass, soil are used to build barriers along contours and trenches are made in front of the barriers to collect water is called?
Two versions of the Internet Protocol (IP) are in use
The internet was created to provide